retraction (Q6119): Difference between revisions

Latest revision as of 08:16, 31 March 2023

left inverse of a morphism

Language	Label	Description	Also known as
English	retraction	left inverse of a morphism	left inverse left inverse morphism cosection co-section

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g{\text{ is left inverse of }}f\iff g\circ f=\operatorname {id}

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@@ Property / subclass of @@
+morphism
@@ Property / subclass of: morphism / rank @@
+Normal rank
@@ Property / part of @@
+section and retraction
@@ Property / part of: section and retraction / rank @@
+Normal rank
@@ Property / defining formula @@
+ $g{\text{ is left inverse of }}f\iff g\circ f=\operatorname {id}$ 
g\text{ is left inverse of }f \iff g \circ f= \operatorname{id}
+Normal rank